Spectroscope Accessories

Hollow cathode lamp (HCL) thorium-argon (ThAr). This is the lamp used on eShel spectroscopes. The large number of lines in each order of these inst...

T-mount adapter ring for Canon EOS. This adapter ring allows you to mount a Canon EOS digital camera (DSLR) on a LISA, Lhires III, Alpy or UVEX spe...

5mm adapter ring to connect a C-mount lens on a CS-mount. Often used with T-mount/C-mount ring.

Adapter ring from T-mount (M42x0.75) to C-mount (25.4mm). One side has the M42x0.75mm male thread, the other side female internal thread (25.4mm). ...

This adapter will allow you to mount the eShel fiber injection system on a Schmidt-Cassegrain telescope (typically with a 0.63x focal reducer). 2" ...

This calibration module is designed for eShel and Whoppshel spectroscopes. It contains a Thorium-Argon (ThAr) lamp and a flat lamp. It can be remot...

High voltage power supply for spectral calibration lamps.  

This adapter enables you to attach the eShel FIGU, Alpy 600, LISA or UVEX instruments to a Schmidt-Cassegrain (Meade or Celestron) telescope (or an...

This adapter connects a T-mount camera (M42x0.75mm) to the eShel fiber-fed spectroscopy system.

This adapter connects your Lhires III to the 2″ eyepiece holder of your telescope.